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Full-Text Articles in Medicine and Health Sciences
Environmental Health And Service Learning, Kelly Tuohig, Dale Stephenson, Dean Lillquist, Justin Bird, Stephen Adler, Mark Babitz
Environmental Health And Service Learning, Kelly Tuohig, Dale Stephenson, Dean Lillquist, Justin Bird, Stephen Adler, Mark Babitz
Dale J. Stephenson
In developing curriculum for a Salt Lake City, Utah High School's Advance Placement--Environmental Studies class, one goal was a module on air quality/air pollution. University of Utah graduate students and faculty presented on air pollution topics. Community exposure to school bus emissions was identified and students developed a study design, performed air sampling, learned to interpret results, and communicate results and recommendations to various audiences. This project emphasized health impacts, public awareness, and policy recommendations to promote change.
An Analysis Of Vdt Monitor Placement And Daily Hours Of Use For Female Bifocal Users, J. Lyon, Dean Lillquist, S. Alder, Dale Stephenson, D. Bloswick
An Analysis Of Vdt Monitor Placement And Daily Hours Of Use For Female Bifocal Users, J. Lyon, Dean Lillquist, S. Alder, Dale Stephenson, D. Bloswick
Dale J. Stephenson
A population of 72 bifocal wearers was studied to determine the relationship between VDT (video display terminal) placement for those who reported musculoskeletal pain and those who did not. The mean hours worked was 50.4 minutes (p=0.003) greater for those who reported head/neck pain versus those who did not and 48.6 minutes (p=0.004) greater for those who reported shoulder/arm pain that those who did not. There was no statistically significant difference between the means of monitor height, distance, or angle for those who reported pain symptoms versus those who did not. This study indicates that, self reported pain symptoms are …
Comparison Of Sampling Methods To Measure Exposure To Diesel Particulate Matter In An Underground Metal Mine, Dale Stephenson, T. Spear, M. Lutte
Comparison Of Sampling Methods To Measure Exposure To Diesel Particulate Matter In An Underground Metal Mine, Dale Stephenson, T. Spear, M. Lutte
Dale J. Stephenson
Diesel particulate matter (DPM) continues to be scrutinized as an adverse occupational exposure agent. Currently, the air sampling protocol approved by the U.S. Mine Safety and Health Administration (MSHA) to quantify exposure to DPM in mines designates an SKC impactor as the sample collection device and limits exposure to the total carbon faction of a DPM aerosol. Because use of this impactor requires submission of the sample to an analytical laboratory, it inherently includes a lag time before workplace exposures can be determined. Thus, mine operators who use this MSHA-approved sampling device to monitor personal DPM exposures are faced with …
Side-By-Side Comparison Of Three Sampling Methods For Aerosolized Endotoxin In A Wastewater Treatment Facility, Dale Stephenson, F. Derosso, Dean Lillquist, D. Greene, G. White
Side-By-Side Comparison Of Three Sampling Methods For Aerosolized Endotoxin In A Wastewater Treatment Facility, Dale Stephenson, F. Derosso, Dean Lillquist, D. Greene, G. White
Dale J. Stephenson
Research studies have established the occurrence of adverse health effects in individuals exposed to organic dusts and water aerosols laden with endotoxin. To determine what exposure levels cause these health effects, it is necessary to quantity airborne endotoxin. Several scientific studies have demonstrated that the quantification of detectable endotoxin is affected by differences in sampling media, analytical method, and aerosol composition, The study reported here performed side-by-side endotoxin sampling using a liquid impinger, a glass fiber filter, and a polycarbonate filter in a wastewater treatment plant. Results show levels of detected endotoxin appear to be highest with the impinger. Coefficients …